:root {
  --bg: #07080b;
  --panel: #12141a;
  --panel-2: #1a1d25;
  --red: #ef2a1f;
  --red-soft: #ff6a4d;
  --yellow: #ffd447;
  --text: #fff4ec;
  --muted: #c8ccd6;
  --line: #343947;
}

* {
  box-sizing: border-box;
}

body {
  background:
    radial-gradient(circle at 12% 8%, rgba(239, 42, 31, 0.2), transparent 26rem),
    radial-gradient(circle at 86% 16%, rgba(255, 212, 71, 0.14), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
  margin: 0;
}

a {
  color: inherit;
}

.shell {
  margin: 0 auto;
  max-width: 1040px;
  padding: 24px;
}

.nav {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 36px;
}

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
  text-decoration: none;
}

.app-icon {
  align-items: center;
  background: linear-gradient(145deg, var(--red), #8f120d);
  border: 2px solid var(--yellow);
  border-radius: 18px;
  box-shadow: 0 0 28px rgba(239, 42, 31, 0.45);
  color: #fff;
  display: grid;
  font-size: 18px;
  font-weight: 900;
  height: 56px;
  letter-spacing: 0;
  place-items: center;
  width: 56px;
}

.brand-name {
  font-size: 18px;
  font-weight: 900;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.nav-links a,
.button {
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-weight: 800;
  padding: 10px 14px;
  text-decoration: none;
}

.button.primary {
  background: var(--yellow);
  border-color: var(--yellow);
  color: #101116;
}

.hero {
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  margin-bottom: 48px;
}

.eyebrow {
  color: var(--yellow);
  font-size: 13px;
  font-weight: 900;
  margin: 0 0 10px;
}

h1 {
  font-size: clamp(44px, 8vw, 86px);
  line-height: 0.96;
  margin: 0;
}

.subtitle {
  color: var(--yellow);
  font-size: 24px;
  font-weight: 900;
  margin: 12px 0 0;
}

.lead {
  color: var(--muted);
  font-size: 20px;
  margin: 26px 0;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.phone {
  background: #0d0f14;
  border: 1px solid var(--line);
  border-radius: 32px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  padding: 18px;
}

.phone-screen {
  background: linear-gradient(180deg, #171a22, #090a0d);
  border: 1px solid #2b303d;
  border-radius: 24px;
  min-height: 560px;
  padding: 18px;
}

.timer {
  display: flex;
  justify-content: space-between;
  color: var(--yellow);
  font-weight: 900;
}

.stop {
  align-items: center;
  aspect-ratio: 1;
  background: var(--red);
  border: 8px solid #ff8a2f;
  border-radius: 999px;
  box-shadow: 0 0 36px rgba(239, 42, 31, 0.7);
  display: grid;
  font-size: 46px;
  font-weight: 900;
  margin: 36px auto;
  place-items: center;
  width: min(78%, 250px);
}

.mini-card {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-top: 12px;
  padding: 14px;
}

.mini-card strong {
  color: var(--yellow);
}

.section {
  margin: 44px 0;
}

.section h2,
.page h1 {
  font-size: 32px;
  margin: 0 0 18px;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.page-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.card h3,
.page-card h2 {
  color: var(--yellow);
  margin: 0 0 8px;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 12px;
}

.step {
  align-items: flex-start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 12px;
  grid-template-columns: auto 1fr;
  padding: 18px;
}

.step::before {
  background: var(--yellow);
  border-radius: 6px;
  color: #101116;
  content: "STEP " counter(step);
  counter-increment: step;
  font-size: 12px;
  font-weight: 900;
  padding: 4px 8px;
}

.step h3 {
  margin: 0 0 4px;
}

.step p,
.card p,
.page-card p,
li {
  color: var(--muted);
  margin: 0;
}

.screenshot-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.shot {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 180px;
  padding: 16px;
}

.shot-title {
  color: var(--yellow);
  font-weight: 900;
  margin-bottom: 12px;
}

.shot-line {
  background: #2a2e3a;
  border-radius: 6px;
  height: 16px;
  margin: 10px 0;
}

.footer {
  border-top: 1px solid var(--line);
  color: #8e96a6;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  margin-top: 56px;
  padding: 24px 0 10px;
}

.page {
  max-width: 820px;
}

.page-card {
  margin: 16px 0;
}

.mail-box {
  background: #08090d;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  overflow-x: auto;
  padding: 14px;
  white-space: pre-wrap;
}

@media (max-width: 820px) {
  .hero,
  .grid,
  .screenshot-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .phone-screen {
    min-height: 460px;
  }
}